EP0578742A1 - Sensors based on nano-structured composite films. - Google Patents
Sensors based on nano-structured composite films.Info
- Publication number
- EP0578742A1 EP0578742A1 EP92910085A EP92910085A EP0578742A1 EP 0578742 A1 EP0578742 A1 EP 0578742A1 EP 92910085 A EP92910085 A EP 92910085A EP 92910085 A EP92910085 A EP 92910085A EP 0578742 A1 EP0578742 A1 EP 0578742A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- composite article
- whisker
- layer
- microstructures
- composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
- G01N27/127—Composition of the body, e.g. the composition of its sensitive layer comprising nanoparticles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
- Y10T428/24364—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.] with transparent or protective coating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
- Y10T428/24372—Particulate matter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249923—Including interlaminar mechanical fastener
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/268—Monolayer with structurally defined element
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
Landscapes
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Laminated Bodies (AREA)
- Fats And Perfumes (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Article composite électriquement réactif (20) comprenant un réseau aléatoire ou régulier de micro-structures (16) partiellement encapsulées à l'intérieur d'une couche d'encapsulation (12), ces micro-structures (16) renfermant chacune une structure en forme de trichite (14), présentant éventuellement un revêtement conformé (13) enveloppant ladite structure (14). Cet article composite (20) est utile comme composant électroconducteur d'un circuit, d'une antenne, d'une microélectrode, d'un dispositif de chauffage réactif, et d'un capteur multimode pour détecter la présence de vapeurs, gaz ou analytes liquides.Electrically reactive composite article (20) comprising a random or regular network of micro-structures (16) partially encapsulated inside an encapsulation layer (12), these micro-structures (16) each containing a shaped structure whiskers (14), optionally having a shaped coating (13) enveloping said structure (14). This composite article (20) is useful as an electrically conductive component of a circuit, an antenna, a microelectrode, a reactive heater, and a multimode sensor for detecting the presence of vapors, gases or analytes liquids.
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US681332 | 1984-12-13 | ||
US07/681,332 US5238729A (en) | 1991-04-05 | 1991-04-05 | Sensors based on nanosstructured composite films |
PCT/US1992/001372 WO1992017774A1 (en) | 1991-04-05 | 1992-02-24 | Sensors based on nano-structured composite films |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0578742A1 true EP0578742A1 (en) | 1994-01-19 |
EP0578742B1 EP0578742B1 (en) | 1997-08-06 |
Family
ID=24734826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92910085A Expired - Lifetime EP0578742B1 (en) | 1991-04-05 | 1992-02-24 | Sensors based on nano-structured composite films |
Country Status (19)
Country | Link |
---|---|
US (3) | US5238729A (en) |
EP (1) | EP0578742B1 (en) |
JP (1) | JP3092718B2 (en) |
CN (1) | CN1037080C (en) |
AU (1) | AU660982B2 (en) |
BR (1) | BR9205856A (en) |
CA (1) | CA2105869A1 (en) |
DE (1) | DE69221475T2 (en) |
ES (1) | ES2104915T3 (en) |
HK (1) | HK1001845A1 (en) |
HU (1) | HUT67205A (en) |
IE (1) | IE920650A1 (en) |
IL (1) | IL101124A (en) |
MX (1) | MX9201458A (en) |
MY (1) | MY108445A (en) |
PL (1) | PL169669B1 (en) |
TW (1) | TW278187B (en) |
WO (1) | WO1992017774A1 (en) |
ZA (1) | ZA921623B (en) |
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CN1037080C (en) | 1998-01-21 |
HU9302790D0 (en) | 1994-01-28 |
EP0578742B1 (en) | 1997-08-06 |
DE69221475T2 (en) | 1998-03-19 |
JPH06506411A (en) | 1994-07-21 |
HUT67205A (en) | 1995-02-28 |
US5387462A (en) | 1995-02-07 |
US5238729A (en) | 1993-08-24 |
AU1755692A (en) | 1992-11-02 |
IE920650A1 (en) | 1992-10-07 |
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